Plain English Meaning

A jet-style engine that, instead of pushing the airplane along with its exhaust, uses its power to spin a propeller. The propeller does the work of moving the airplane through the air.

Full Definition

An aircraft engine in which a gas turbine drives a propeller through a reduction gearbox. The turbine extracts energy from the hot expanding gases of combustion and converts most of that energy into shaft power to turn the propeller, with only a small amount of residual thrust coming from the exhaust.

Context Anchor

Seen when studying turbine-powered airplanes, especially aircraft that use propellers but are powered by turbine engines rather than .